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Method 7473 Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, And Atomic Absorption Spectrophotometry

By Environmental Protection Agency

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Book Id: WPLBN0000000270
Format Type: PDF eBook
File Size: 0.3 MB
Reproduction Date: 2007

Title: Method 7473 Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, And Atomic Absorption Spectrophotometry  
Author: Environmental Protection Agency
Volume:
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Historic
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Publisher: United States Environmental Protection Agency

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Agency, E. P. (n.d.). Method 7473 Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, And Atomic Absorption Spectrophotometry. Retrieved from http://worldlibrary.org/


Description
Excerpt: 1.1 Method 7473 is designated for the determination of mercury (CAS No. 7439-97-6) in solids, aqueous samples, and digested solutions in both the laboratory and field environments. Integration of thermal decomposition sample preparation and atomic absorption detection reduces the total analysis time of most samples to less than five minutes in either the laboratory or field setting. Total mercury (organic and inorganic) in soils, sediments, bottom deposits, and sludgetype materials as well as in aqueous wastes and ground waters can be determined without sample chemical pretreatment using this method, except as noted. Alternatively, this method can be used for the detection of total mercury from total decomposition sample preparation methods, such as Method 3052, or for detection of extracted or leached mercury compounds or species from methods such as the SW-846 3000 series methods (as detailed in Chapter Three).

 

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